Fast Intraband Capture and Relaxation in InAs/GaAs Self-Assembled Quantum Dots

Evgeny A. Zibik; Stefan Menzel; Pantelis Aivaliotis; Ben A. Carpenter; John W. Cockburn; Maurice S. Skolnick; Luke R. Wilson; Thomas Grange; Robson Ferreira; Gerald Bastard; Dominik Stehr; Stephan Winnerl; Manfred Helm; Matthew J. Steer; Mark Hopkinson

Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies
OSA Technical Digest (CD) (Optica Publishing Group, 2007),
paper QFD2

Fast Intraband Capture and Relaxation in InAs/GaAs Self-Assembled Quantum Dots

Evgeny A. Zibik, Stefan Menzel, Pantelis Aivaliotis, Ben A. Carpenter, John W. Cockburn, Maurice S. Skolnick, Luke R. Wilson, Thomas Grange, Robson Ferreira, Gerald Bastard, Dominik Stehr, Stephan Winnerl, Manfred Helm, Matthew J. Steer, and Mark Hopkinson

Quantum Electronics and Laser Science Conference 2007

Baltimore, Maryland United States
6–11 May 2007
ISBN: 1557528349

From the session
Dynamics of Dots, Wires and Tubes (QFD)

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E. A. Zibik, S. Menzel, P. Aivaliotis, B. A. Carpenter, J. W. Cockburn, M. S. Skolnick, L. R. Wilson, T. Grange, R. Ferreira, G. Bastard, D. Stehr, S. Winnerl, M. Helm, M. J. Steer, and M. Hopkinson, "Fast Intraband Capture and Relaxation in InAs/GaAs Self-Assembled Quantum Dots," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optica Publishing Group, 2007), paper QFD2.

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Abstract

Electron capture and relaxation processes in n-type InAs/GaAs quantum dots were investigated using mid-infrared degenerated pump-probe spectroscopy. Fast (~4-10ps) intraband relaxation/capture times were measured even in the absence of electron-hole scattering.

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